A method for controlling parking of a vehicle in the event of a tire lock

Abstract

The application discloses a kind of vehicle tire lock situation under parking control method, determine that vehicle tire is in lock state;When the number of received parking request information reaches predetermined number, respond to the parking request information and carry out corresponding parking action.The vehicle tire lock situation under parking control method disclosed in the application, in the case where it is determined that vehicle tire is in lock state, the number of received parking request information is used to verify the real parking intention of driver, reduce the damage risk caused by the driver's accidental operation parking to vehicle.

Description

Technical Field

[0001] This invention relates to a parking control method, and more particularly to a parking control method for a vehicle when its tires lock up. Background Technology

[0002] On roads with low friction coefficients or icy / snowy surfaces, the vehicle's ABS (antilock brake system) or ESP (electronic stability program) systems may malfunction. If the driver abruptly shifts the vehicle to park in such a situation, the significant inertia can cause a shock to the vehicle's transmission system, increasing the risk of vehicle damage. Summary of the Invention

[0003] This invention addresses the shortcomings of existing technologies by providing a parking control method for situations where vehicle tires lock up.

[0004] In the parking control method for vehicle tire lock-up described in this invention, it is determined that the vehicle tires are in a locked-up state.

[0005] When the number of parking request messages received reaches a predetermined number, the system responds to the parking request messages and performs the corresponding parking action.

[0006] In the parking control method for vehicle tire lock-up described in this invention, if the number of times parking request information is received has not reached a predetermined number, no response is given to the currently received parking request information.

[0007] In the parking control method for vehicle tire lock-up described in this invention, if the deceleration value of the vehicle's drive wheels exceeds a preset deceleration threshold when the current vehicle speed is higher than a preset limp speed and the brake pedal is depressed, then the vehicle tires are determined to be in a locked-up state. Alternatively, if the difference between the vehicle's speed and the speed of its drive wheels exceeds a preset speed difference threshold when the current vehicle speed is higher than a preset limp speed and the brake pedal is depressed, then the vehicle tires are determined to be in a locked-up state.

[0008] In the parking control method for vehicle tire lock-up described in this invention, if the difference between the vehicle body speed and the vehicle drive wheel speed is less than a preset speed difference threshold, the vehicle tires are determined to be released from lock-up. Alternatively, if the brake pedal is released for more than a predetermined time, the vehicle tires are determined to be released from lock-up. Alternatively, if the accelerator pedal is depressed for more than a predetermined time, the vehicle tires are determined to be released from lock-up.

[0009] In the parking control method for vehicle tire lock-up described in this invention, when it is determined that the vehicle tires are locked, the driver's true parking intention is verified by the number of parking request messages received, thereby reducing the risk of damage to the vehicle caused by the driver's accidental and rash parking operation. Detailed Implementation

[0010] The present invention will now be described in further detail so that those skilled in the art can implement it based on the description.

[0011] In the parking control method for vehicle tire lock-up described in this invention, it is first determined that the vehicle tires are in a locked-up state. Based on this, when the number of received parking request messages reaches a predetermined number, the parking request message is responded to and a corresponding parking action is performed. That is, if the number of received parking request messages has not reached the predetermined number, no response is given to the currently received parking request message. In this way, the driver's true parking intention can be verified by the number of received parking request messages, reducing the risk of damage to the vehicle caused by the driver's accidental and reckless parking maneuvers. The predetermined number of times mentioned here can be set based on road conditions or data obtained from tests under different conditions.

[0012] In the parking control method for vehicle tire lock-up described in this invention, to determine if the vehicle tires are locked, the following can be used: if the current vehicle speed is higher than a preset limp speed and the brake pedal is depressed, and the deceleration of the vehicle's drive wheels exceeds a preset deceleration threshold, then the vehicle tires are locked. The preset deceleration threshold can vary depending on the brake pressure. Alternatively, if the difference between the vehicle's speed and the speed of its drive wheels (horizontal linear velocity relative to the ground) exceeds a preset speed difference threshold when the current vehicle speed is higher than a preset limp speed and the brake pedal is depressed, then the vehicle tires are locked. The preset speed difference threshold can also vary depending on the brake pressure.

[0013] Furthermore, in the parking control method for vehicle tire lock-up described in this invention, if the difference between the vehicle body speed and the vehicle drive wheel speed (horizontal linear speed relative to the ground) is less than a preset speed difference threshold, it can be determined that the vehicle tires are released from lock-up. Alternatively, if the brake pedal is released for more than a predetermined time, or if the accelerator pedal is depressed for more than a predetermined time, it can also be determined that the vehicle tires are released from lock-up.

[0014] Although embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for the present invention. Other modifications can be easily made by those skilled in the art. Therefore, without departing from the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details and examples shown herein.

Claims

1. A parking control method for a vehicle in the event of tire lock-up, characterized in that, Confirm that the vehicle's tires are locked. When the number of parking request messages received reaches a predetermined number, the system responds to the parking request messages and performs the corresponding parking action. If the number of parking request messages received has not reached the predetermined number, no response will be given to the currently received parking request message.

2. The parking control method for vehicle tire lock-up as described in claim 1, characterized in that, If the vehicle's current speed is higher than the preset limp speed and the brake pedal is depressed, and the deceleration value of the vehicle's drive wheels exceeds the preset deceleration threshold, then the vehicle's tires are determined to be locked.

3. The parking control method for vehicle tire lock-up as described in claim 1, characterized in that, If the current vehicle speed is higher than the preset limp speed and the brake pedal has been pressed, and the difference between the vehicle speed and the speed of the vehicle's drive wheels exceeds a preset speed difference threshold, then the vehicle's tires are determined to be locked.

4. The parking control method for vehicle tire lock-up as described in claim 3, characterized in that, If the difference between the vehicle's speed and the speed of the vehicle's drive wheels is less than a preset speed difference threshold, then the vehicle's tires are determined to be released from lock-up.

5. The parking control method for vehicle tire lock-up as described in claim 3, characterized in that, If the brake pedal is released for more than a predetermined time, it is determined that the vehicle's tires are now unlocked.

6. The parking control method for vehicle tire lock-up as described in claim 3, characterized in that, If the accelerator pedal is depressed for more than a predetermined time, it is determined that the vehicle's tires are now released from lockup.